16869408 has 24 divisors (see below), whose sum is σ = 44282448. Its totient is φ = 5623104.

The previous prime is 16869401. The next prime is 16869421. The reversal of 16869408 is 80496861.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 16869408.

It is not an unprimeable number, because it can be changed into a prime (16869401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87766 + ... + 87957.

It is an arithmetic number, because the mean of its divisors is an integer number (1845102).

Almost surely, 2^16869408 is an apocalyptic number.

It is an amenable number.

16869408 is an abundant number, since it is smaller than the sum of its proper divisors (27413040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16869408 is a wasteful number, since it uses less digits than its factorization.

16869408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175736 (or 175728 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 16869408 is about 4107.2384883277. The cubic root of 16869408 is about 256.4680564699.

The spelling of 16869408 in words is "sixteen million, eight hundred sixty-nine thousand, four hundred eight".